中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。
The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.
你最不满意的客户是你最大的学习来源。
For the eyes of the world now look into space, to the moon and to the planets beyond, and we have vowed that we shall not see it governed by a hostile flag of conquest, but by a banner of freedom and peace.
In the pursuit of mathematical truth, we often find more questions than answers.
The most important material in architecture is light.
译文：像许汜那样只知道买田置房(追求个人私利)，恐怕会羞于见到雄才大略的刘备。可惜时光流逝，我在风雨飘摇中担惊受怕，连树木都已长得粗壮高大!(注：“树犹如此” 化用典故，感慨时光虚度)能请谁唤来歌女，用红巾翠袖擦拭我这英雄失意的泪水?